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'Breaking Firewall': Understanding Voyager’s data on the edge of interstellar space at 50,000°C

'Breaking Firewall': Understanding Voyager’s data on the edge of interstellar space at 50,000°C
science9/6/2025

Inside the firewall, solar particles dominate. Outside, interstellar particles take over. Voyager showed how solar influence diminishes sharply at this edge.

The boundary between solar wind and interstellar space forms a turbulent layer often described as a firewall. It is here that particles, plasma, and magnetic fields shift dramatically. Voyager 1 crossed this boundary in 2012, followed by Voyager 2 in... [846 chars]